CN106611896A - Antenna device - Google Patents
Antenna device Download PDFInfo
- Publication number
- CN106611896A CN106611896A CN201510736522.2A CN201510736522A CN106611896A CN 106611896 A CN106611896 A CN 106611896A CN 201510736522 A CN201510736522 A CN 201510736522A CN 106611896 A CN106611896 A CN 106611896A
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- section
- antenna
- circuit board
- radiation
- rigid circuit
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Abstract
The invention discloses an antenna device, which comprises a circuit board, an antenna body and a resonance piece metal shell, and is characterized in that the circuit board is provided with an antenna circuit; the antenna body is connected to the circuit board and is electrically connected with the antenna circuit; the resonance piece metal shell coats and is adjacent to the antenna body and the circuit board; and the antenna body and the resonance piece metal shell are mutually excited by using a coupling mode so as to enable the antenna body to turn into a first radiation part, the resonance piece metal shell turns into a second radiation part, and thus a purpose of radiation is achieved. According to the antenna device, the antenna body and the resonance piece metal shell are mutually excited by using the coupling mode so as to achieve the purpose of radiation, and thus cutting is not required to be performed on the metal shell.
Description
Technical field
The present invention relates to a kind of antenna, more particularly, to a kind of antenna assembly.
Background technology
Press, consumer does not only want to product for electronic product is using upper more and more fastidious
Functional promotion, it is also desirable to which texture is also and then lifted, and is often reached gently using metal shell structure
Thin and appearance looks elegant purpose.In the case where the communication product of metal shell is more and more,
For Antenna Design challenges increasing, Antenna Design runs into metallic region, and electromagnetic wave can be anti-
It is emitted back towards coming, so as to affect signal transmission, accordingly, it would be desirable to the metal shell of communication product is done
Cutting can just reach fabulous radiation effect.In addition, generally requiring cutting metal appearance
Product, needs to use in-mould injection molding, and cost of manufacture is very high.
In view of problem above, is necessary to provide a kind of improved antenna structure in fact, with solution
State problem.
The content of the invention
Present invention aims to exist not enough of above-mentioned prior art and provide a kind of
Antenna assembly, the antenna assembly need not cut to metal shell, can reach well
Radiation effect.
For achieving the above object, the present invention provides a kind of antenna assembly, it include a circuit board,
One antenna body and a resonance plate metal shell, circuit board has antenna circuit;Antenna body
It is connected on circuit board, is electrically connected with antenna circuit;Resonance plate metal shell is coated and adjacent
It is bordering on antenna body and circuit board;Wherein, antenna body utilizes coupling with resonance plate metal shell
Conjunction mode is mutually excited makes antenna body become one first Department of Radiation, resonance plate metal shell into
For one second Department of Radiation.
As further improvement, first Department of Radiation and the second Department of Radiation distance between the two
It is less than or equal to 4mm.
Used as further improvement, the circuit board includes a rigid circuit board and one and rigid electric
The flexible PCB that road plate is electrically connected with, antenna body is installed on flexible PCB, antenna
The antenna pattern of body, can be monopole patterns antenna or PIFA patterns antenna or
Any antenna pattern such as Loop pattern antennas.
Used as further improvement, the material of the flexible PCB any can be turned on
Metal material.
Used as further improvement, the antenna pattern of the antenna body is monopole patterns
During antenna, antenna body is that the first Department of Radiation has a close rigidity on flexible PCB
Extend forward at the side of circuit board and to form the first section in bar tabular, one from the first section
End to the right vertically bending extend formed in bar tabular the second section and from the secondth area
Backward vertically bending extends threeth section of the formation in article tabular for the end of section, the 3rd section
The length of the first section is shorter in length than, the first section is near rigid circuit board one end to rigid electric
Road plate direction extends to form a feeding portion.
As further improvement, there are a grounding parts, when antenna sheet on the rigid circuit board
When the antenna pattern of body is PIFA pattern antennas, antenna body is that the first Department of Radiation has one
Extend to be formed in batten forward at the side of the close rigid circuit board on flexible PCB
First section of shape, one vertically bend to extend and are formed in batten to the right from the end of the first section
Second section of shape and one from the end of the second section backward vertically bending extend formed be in bar
3rd section of tabular, the length for being shorter in length than the first section of the 3rd section, the first section
Extend to form a feeding portion to rigid circuit board direction near rigid circuit board one end, the firstth area
Again backward vertical bending is extended to and feedback after to the right vertically bending extends at the close feeding portion of section
Enter portion end and concordantly form one the 4th section, the 4th section is electric with the grounding parts of rigid circuit board
Property connection.
Used as further improvement, described the is Loop patterns when the antenna pattern of antenna body
During antenna, antenna body is that the first Department of Radiation has a close rigidity on flexible PCB
Extend forward at the side of circuit board and to form the first section in bar tabular, one from the first section
End to the right vertically bending extend form the second section in bar tabular, one from the second section
End backward vertically bending extend formed in article tabular the 3rd section and from the 3rd area
Continue to extand rearward to the 5th section at rigid circuit board, the 5th section and rigidity in section end
The grounding parts of circuit board are electrically connected with.First section is near rigid circuit board one end to rigid electric
Road plate direction extends to form a feeding portion.
It is as the radiation frequency of further improvement, first Department of Radiation and the second Department of Radiation
2400MHz~2500MHz, it can be with the electromagnetism that frequency is 2400MHz~2500MHz
Ripple signal resonance and receive and dispatch the electromagnetic wave signal of 2400MHz~2500MHz frequency bands.
As described above, inventive antenna device is coated and is adjacent to by resonance plate metal shell
Antenna body and circuit board, antenna body is mutual using coupled modes with resonance plate metal shell
Exciting makes antenna body become one first Department of Radiation, and resonance plate metal shell becomes one second spoke
Portion is penetrated so as to reach the purpose of radiation.Without doing any cutting to metal shell, and
Reach good radiation effect.
Description of the drawings
Fig. 1 is a kind of solid of embodiment that inventive antenna device is applied to a Headphone device
Figure.
Fig. 2 is the solid of the antenna body of inventive antenna device and circuit board shown in Fig. 1
Figure.
Fig. 3 is another solid that inventive antenna device shown in Fig. 1 is applied to a Headphone device
Figure.
Each description of reference numerals is as follows in figure.
Its Line Installed puts 100
The Gang Electricity roads plate 11 of Electricity roads plate 10
The flexibility of grounding parts 111 Electricity roads plate 12
The mono- District sections 21 of its Line this Body 20
The tri- District sections 23 of bis- District sections 22
Feed enters the tetra- District sections 25 of portion 24
The outer Shell 30 of the resonance plate gold Genus of Wu District sections 26
Er Machine Installed put 200.
Specific embodiment
To describe technology contents of the invention, structural features in detail, being realized purpose and effect,
Below in conjunction with embodiment and accompanying drawing is coordinated to be explained in detail.
Fig. 1, Fig. 2 and Fig. 3 are referred to, inventive antenna device 100 is applied to an earphone
On device 200, it includes a circuit board 10, an antenna body 20 and a resonance plate metal
Shell 30.
The circuit board 10 has antenna circuit and grounded circuit.Specifically, circuit board 10
Including a rigid circuit board 11 and a flexible PCB being electrically connected with rigid circuit board 11
12.Rigid circuit board 11 is provided with grounded circuit, and flexible PCB 12 is provided with antenna electric
Road.
The antenna body 20 is connected on circuit board 10, is electrically connected with antenna circuit.
Specifically, there are a grounding parts 111, antenna body 20 is installed on rigid circuit board 11
On flexible PCB 12.The antenna pattern of antenna body can be monopole patterns day
Line or any antenna pattern such as PIFA patterns antenna or loop pattern antennas.Flexible PCB
12 material can for copper, ferrum gold, silver, rustless steel, raise copper-nickel alloy, nickel, piano wire, aluminum etc.
Any metal material that can be turned on.
The resonance plate metal shell 30 coats and is adjacent to antenna body 20 and circuit board
10。
Wherein, antenna body 20 is mutually swashed with resonance plate metal shell 30 using coupled modes
Sending out makes antenna body 20 become one first Department of Radiation, and resonance plate metal shell 30 becomes one the
Two Departments of Radiation are so as to reaching the purpose of radiation.First Department of Radiation and the second Department of Radiation are between the two
Distance is just to reach fine radiation effect less than or equal to 4mm.
More preferably, when the antenna pattern of antenna body 20 is monopole pattern antennas,
Antenna body 20 is that the first Department of Radiation has a close rigid electric on flexible PCB 12
Extend forward to form the first section 21, from first in bar tabular at the side of road plate 11
To the right vertically bending extends second section 22 and of the formation in bar tabular for the end of section 21
From the end of the second section 22, backward vertically bending extends threeth section of the formation in article tabular
23, the length for being shorter in length than the first section 21 of the 3rd section 23.First section 21 is leaned on
Nearly one end of rigid circuit board 11 extends to form a feeding portion 24 to the direction of rigid circuit board 11.
More preferably, when the antenna pattern of antenna body 20 is PIFA pattern antennas, antenna
Body 20 is that the first Department of Radiation has a close rigid circuit board on flexible PCB 12
Extend forward to form the first section 21, in bar tabular from the first section at 11 side
To the right vertically bending extends and forms the second section 22 in article tabular and one from for 21 end
Backward vertically bending extends threeth section 23 of the formation in article tabular for the end of two sections 22,
The length for being shorter in length than the first section 21 of the 3rd section 23.First section 21 is near just
Property one end of circuit board 11 extends to form a feeding portion 24 to the direction of rigid circuit board 11, and
One section 21 vertically bends to the right vertically to be bent backward again after extending at feeding portion 24 and prolongs
Extend one the 4th section 25 of formation concordant with the end of feeding portion 24, the 4th section 25 and rigidity
The grounding parts 111 of circuit board 11 are electrically connected with.
More preferably, when the antenna pattern of antenna body 20 is Loop pattern antennas, antenna
Body 20 is that the first Department of Radiation has a close rigid circuit board on flexible PCB 12
Extend forward to form the first section 21, in bar tabular from the first section at 11 side
To the right vertically bending extends and forms the second section 22, in article tabular from for 21 end
The end of two sections 22 backward vertically bending extend formed in article tabular the 3rd section 23 and
One continues to extand rearward to the 5th section at rigid circuit board 11 from the end of the 3rd section 23
26, the 5th section 26 is electrically connected with the grounding parts 111 of rigid circuit board 11.Firstth area
Section 21 extends to form a feedback near the one end of rigid circuit board 11 to the direction of rigid circuit board 11
Enter portion 24.
The radiation frequency of the first Department of Radiation and the second Department of Radiation is 2400MHz~2500MHz,
It can be received and dispatched with frequency for the electromagnetic wave signal resonance of 2400MHz~2500MHz
The electromagnetic wave signal of 2400MHz~2500MHz frequency bands.
Fig. 1 to Fig. 3 is referred to, inventive antenna device 100 is assembled in electronic product earphone
When on device 200, antenna body 20 is placed on flexible PCB 12, wherein, feeding portion
24 end is electrically connected with the antenna circuit (not shown) of flexible PCB 12, ground connection
Portion 111 is used to be electrically connected with the grounded circuit positioned at the upper surface periphery of rigid circuit board 11.
Resonance plate metal shell 30 is located at antenna body 20 and is nearby integrally formed and is coated on antenna sheet
Outside body 20 and circuit board 10, antenna body 20 is utilized with resonance plate metal shell 30 and coupled
Mode is mutually excited makes antenna body 20 become one first Department of Radiation, resonance plate metal shell
30 become one second Department of Radiation so as to reach the purpose of radiation.
Inventive antenna device 100 is traditional thread binding with the day for being not provided with resonance plate metal shell 30
Putting (such as antenna assembly with cabinet) carries out contrast test, test result indicate that tool
There is the antenna assembly 100 of resonance plate metal shell 30 reachable with the antenna with cabinet
To equal radiation effect.Table 1 be inventive antenna device be not provided with resonance plate metal shell
The Effect value of 30 antenna assembly:
The inventive antenna device of table 1 and the antenna assembly test result with cabinet
As described above, inventive antenna device 100 is coated by resonance plate metal shell 30
And it is adjacent to antenna body 20 and circuit board 10, antenna body 20 and resonance plate metal shell
30 are mutually excited using coupled modes and make antenna body 20 become one first Department of Radiation, are resonated
Piece metal shell 30 becomes one second Department of Radiation so as to reach the purpose of radiation.From without
Metal shell is cut, and reach good radiation effect.
Claims (8)
1. a kind of antenna assembly, it is characterised in that:Including a circuit board, an antenna body and
One resonance plate metal shell, circuit board has antenna circuit, and antenna body is connected to circuit board
On, it is electrically connected with antenna circuit, resonance plate metal shell coats and is adjacent to antenna body
And circuit board, wherein, antenna body is mutually swashed with resonance plate metal shell using coupled modes
Sending out makes antenna body become one first Department of Radiation, and resonance plate metal shell becomes one second radiation
Portion.
2. antenna assembly as claimed in claim 1, it is characterised in that:First radiation
Portion and the second Department of Radiation distance between the two are less than or equal to 4mm.
3. antenna assembly as claimed in claim 1, it is characterised in that:The circuit board bag
Include a rigid circuit board and a flexible PCB being electrically connected with rigid circuit board, antenna sheet
Body is installed on flexible PCB, the antenna pattern of antenna body, can be monopole
Pattern antenna or any antenna pattern such as PIFA patterns antenna or Loop pattern antennas.
4. antenna assembly as claimed in claim 3, it is characterised in that:The flexible circuit
The material of plate can be any metal material that can be turned on.
5. antenna assembly as claimed in claim 4, it is characterised in that:The antenna body
Antenna pattern be monopole pattern antennas when, antenna body is that the first Department of Radiation has
Extend to be formed in bar forward at the side of the one close rigid circuit board on flexible PCB
First section of tabular, one vertically bend to extend and are formed in bar to the right from the end of the first section
Second section of tabular and one from the end of the second section backward vertically bending extend formation be in
3rd section of article tabular, the length for being shorter in length than the first section of the 3rd section, the firstth area
Section extends to form a feeding portion near rigid circuit board one end to rigid circuit board direction.
6. antenna assembly as claimed in claim 4, it is characterised in that:The rigid circuit
There are a grounding parts on plate, when the antenna pattern of antenna body is PIFA pattern antennas,
Antenna body is that the first Department of Radiation has a close rigid circuit board on flexible PCB
Side at extend forward to form the first section in bar tabular, one from the end of the first section
Vertical bending to the right extends and forms the second section and in bar tabular from the end of the second section
Backward vertical bending extends threeth section of the formation in article tabular at end, and the length of the 3rd section is short
In the length of the first section, the first section is near rigid circuit board one end to rigid circuit board side
A feeding portion is formed to extending, the first section vertically bends to the right after extending at feeding portion
Again backward vertical bending extends to one the 4th section of formation concordant with feeding portion end, the 4th area
Section is electrically connected with the grounding parts of rigid circuit board.
7. antenna assembly as claimed in claim 4, it is characterised in that:It is described when antenna sheet
When the antenna pattern of body is Loop pattern antennas, antenna body is that the first Department of Radiation has one
Extend to be formed in batten forward at the side of the close rigid circuit board on flexible PCB
First section of shape, one vertically bend to extend and are formed in batten to the right from the end of the first section
Second section of shape, one vertically bend to extend and are formed in batten backward from the end of the second section
3rd section of shape and one continue to extand rearward at rigid circuit board from the 3rd segment ends
The 5th section, the grounding parts of the 5th section and rigid circuit board are electrically connected with.First section
Extend to form a feeding portion to rigid circuit board direction near rigid circuit board one end.
8. antenna assembly as claimed in claim 1, it is characterised in that:First radiation
The radiation frequency of portion and the second Department of Radiation is 2400MHz~2500MHz, and it can be with frequency
The electromagnetic wave signal resonance of 2400MHz~2500MHz and receive and dispatch 2400MHz~2500
The electromagnetic wave signal of MHz frequency band.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510736522.2A CN106611896A (en) | 2015-10-23 | 2015-10-23 | Antenna device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510736522.2A CN106611896A (en) | 2015-10-23 | 2015-10-23 | Antenna device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106611896A true CN106611896A (en) | 2017-05-03 |
Family
ID=58614620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510736522.2A Withdrawn CN106611896A (en) | 2015-10-23 | 2015-10-23 | Antenna device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106611896A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110034389A (en) * | 2019-04-19 | 2019-07-19 | 歌尔科技有限公司 | A kind of electronic equipment and its antenna |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060001575A1 (en) * | 2004-06-30 | 2006-01-05 | Young-Min Jo | Low profile compact multi-band meanderline loaded antenna |
US20090174611A1 (en) * | 2008-01-04 | 2009-07-09 | Schlub Robert W | Antenna isolation for portable electronic devices |
CN103545611A (en) * | 2012-07-12 | 2014-01-29 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
US20140327584A1 (en) * | 2013-05-03 | 2014-11-06 | Acer Incorporated | Mobile device with coupled-fed antenna structure |
CN205319317U (en) * | 2015-10-23 | 2016-06-15 | 富港电子(昆山)有限公司 | Antenna device |
-
2015
- 2015-10-23 CN CN201510736522.2A patent/CN106611896A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060001575A1 (en) * | 2004-06-30 | 2006-01-05 | Young-Min Jo | Low profile compact multi-band meanderline loaded antenna |
US20090174611A1 (en) * | 2008-01-04 | 2009-07-09 | Schlub Robert W | Antenna isolation for portable electronic devices |
CN103545611A (en) * | 2012-07-12 | 2014-01-29 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
US20140327584A1 (en) * | 2013-05-03 | 2014-11-06 | Acer Incorporated | Mobile device with coupled-fed antenna structure |
CN205319317U (en) * | 2015-10-23 | 2016-06-15 | 富港电子(昆山)有限公司 | Antenna device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110034389A (en) * | 2019-04-19 | 2019-07-19 | 歌尔科技有限公司 | A kind of electronic equipment and its antenna |
CN110034389B (en) * | 2019-04-19 | 2021-07-13 | 歌尔科技有限公司 | Electronic equipment and antenna thereof |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170503 |